The term gadget refers to a tiny scientific object or device that performs a specific function. Sometimes, gadgets are also called as gizmos. It differs from normal devices, by their skillful design at the point of invention. There are various types of gadgets available; they are mechanical gadget, electronic gadget, programmable gadget and application gadget. The popular mechanical gadgets are clocks, thermometers etc.The principle of transistor and the integrated circuits are used in electronic gadgets.The transistor radios, the cell phones and the quartz watches are some of the commonly sued electronic gadgets. Useful gadgets such as mobile phones and novelty gadgets such a USB toys are the examples of electronic gadgets. Programmable gadgets includes almost all the new gadgets in the market.GUIwidget is an example of application gadget.
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